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lnwallet/btcwallet: remove pruned interface methods

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These methods are no longer a part of the interface. As a result, we
can safely delete them.
This commit is contained in:
Olaoluwa Osuntokun 2018-02-17 15:02:16 -08:00
parent a26367f3cb
commit 6290a520fd
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GPG key ID: 964EA263DD637C21
1 changed files with 0 additions and 72 deletions
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72
lnwallet/btcwallet/btcwallet.go
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@ -250,78 +250,6 @@ func (b *BtcWallet) GetPrivKey(a btcutil.Address) (*btcec.PrivateKey, error) {
return b.wallet.PrivKeyForAddress(a)
}
// NewRawKey retrieves the next key within our HD key-chain for use within as a
// multi-sig key within the funding transaction, or within the commitment
// transaction's outputs.
//
// This is a part of the WalletController interface.
func (b *BtcWallet) NewRawKey() (*btcec.PublicKey, error) {
addr, err := b.wallet.NewAddress(defaultAccount,
waddrmgr.WitnessPubKey)
if err != nil {
return nil, err
}
return b.wallet.PubKeyForAddress(addr)
}
// FetchRootKey returns a root key which is intended to be used as an initial
// seed/salt to generate any Lightning specific secrets.
//
// This is a part of the WalletController interface.
func (b *BtcWallet) FetchRootKey() (*btcec.PrivateKey, error) {
// Fetch the root address hash from the database, this is persisted
// locally within the database, then used to obtain the key from the
// wallet based on the address hash.
var rootAddrHash []byte
if err := walletdb.View(b.db, func(tx walletdb.ReadTx) error {
lnBucket := tx.ReadBucket(lnNamespace)
rootAddrHash = lnBucket.Get(rootKey)
return nil
}); err != nil {
return nil, err
}
if rootAddrHash == nil {
// Otherwise, we need to generate a fresh address from the
// wallet, then stores its hash160 within the database so we
// can look up the exact key later.
if err := walletdb.Update(b.db, func(tx walletdb.ReadWriteTx) error {
addrmgrNs := tx.ReadWriteBucket(waddrmgrNamespaceKey)
addrs, err := b.wallet.Manager.NextExternalAddresses(addrmgrNs,
defaultAccount, 1, waddrmgr.WitnessPubKey)
if err != nil {
return err
}
rootAddr := addrs[0].Address()
lnBucket := tx.ReadWriteBucket(lnNamespace)
rootAddrHash = rootAddr.ScriptAddress()
return lnBucket.Put(rootKey, rootAddrHash)
}); err != nil {
return nil, err
}
}
// With the root address hash obtained, generate the corresponding
// address, then retrieve the managed address from the wallet which
// will allow us to obtain the private key.
rootAddr, err := btcutil.NewAddressWitnessPubKeyHash(rootAddrHash,
b.netParams)
if err != nil {
return nil, err
}
priv, err := b.wallet.PrivKeyForAddress(rootAddr)
if err != nil {
return nil, err
}
return priv, nil
}
// SendOutputs funds, signs, and broadcasts a Bitcoin transaction paying out to
// the specified outputs. In the case the wallet has insufficient funds, or the
// outputs are non-standard, a non-nil error will be be returned.